Valve cylinder
[化] 阀筒
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Nothing.
没有什么。
I want to persuade you to change your mind.
我想要到说服你改变你的主意。
If one group of people were disturbed from their eye-movement sleep for several nights on end,
如果有两组人，一组人连续几夜在眼球队活动时被叫醒；